code: def test_sanitize_none(self):
      seed1 = samplers.sanitize_seed(seed=None)
      seed2 = samplers.sanitize_seed(seed=None)
      self.assertNotAllEqual(seed1, seed2)
  
file_path: probability/tensorflow_probability/python/internal/samplers_test.py
imports: from absl import flags
  from absl.testing import parameterized
  import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import samplers
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 4 for calling the RandomTest obj's underlying member method code with example usage: obj.test_sanitize_none() without return types